Hansjörg Roll is a businessperson who has been at the head of 5 different companies and currently holds the position of Chairman-Supervisory Board of Grosskraftwerk Mannheim AG, Chairman-Supervisory Board at Soluvia GmbH, Chairman-Supervisory Board at MVV Netze GmbH, Chairman-Supervisory Board for MVV Umwelt GmbH, Co-Managing Director at MVV RHE GmbH and Chief Technology Officer of MVV Energie AG. Dr. Roll is also on the board of Stadtwerke Kiel AG, MVV Energie CZ as and juwi AG.

He previously was Project Director-Power Plant Planning at Badenwerk Aktiengesellschaft, Head-Power Plant Planning Division at Enbw Ingenieure GmbH and Managing Director-Gengenbach Industrial Power at MVV Enamic GmbH.

Dr. Roll received an undergraduate degree and a graduate degree from Karlsruhe University of Applied Sciences.